MZD 3.5mm Streaming Bluetooth Music Receiver Home Car Kit Handfree Speaker Audio Adapter This music receiver (hands-free) is designed to receive music from mobile phones or transmitters that feature bluetooth wireless technology. This music receiver can be used with almost any audio receiver with an audio input jack, including automoblies. Listen to music from your smart phone or MP3 player on your existing home or car audio system. To enjoy car music, call solutions, the use of smart phones to make calls and listen to music through the car stereo. Compatible with Most Bluetooth Enable Device - Smartphone, Tablet etc.